The Articella is a collection of medical treatises bounded together in one volume that was used mainly as textbook and reference manual between the 13th and the 16th centuries. In medieval times, several versions of this anthology circulated in manuscript form among medical students. Between 1476 and 1534, printed editions of the Articella were also published in several European cities.
The collection grew around a synthetic exposition of classical Greek medicine written in Baghdad by physician and polyglot Hunayn bin Ishaq, better known in the West as Ioannitius. His synthesis was in turn based on Galen's Ars Medica (Techne iatrike) and thus became known in Europe as Isagoge Ioannitii ad Tegni Galieni ("Hunayn's Introduction to the Art of Galen).
In the mid-13th century, the emergence of formal medical education in several European universities fueled a demand for comprehensive textbooks. Instructors from the influential Scuola Medica Salernitana popularized the practice of binding other treatises together with their manuscript copies of the Isagogue. These included Hippocrates’ Prognostics as well as his Aphorisms, Theophilus’ De Urinis, Philaterus’ De Pulsibus and many other classic works.